• RTX Semaphore
    I am using a semaphore to signal my thread from an interrupt routine (which calls osSemaphoreRelease). What I am seeing is that sometimes the osSemaphoreWait function returns, however, a timeout did...
  • about Semaphores
    Hi , I am checking the page34 of«rl-arm_gs» and find below description : Signaling Synchronizing the execution of two tasks is the simplest use of a semaphore: os_sem semB; __task void...
  • Semaphore Problem
    Hello, I have a simple semaphore problem. I create a task (task1) and this task waits for a start event (TASK_START). Afterwards I send a start event, then this task sends a semaphore (sem1) in intervals...
  • Semaphore problem
    Has anyone experienced problems using semaphores in interrupt routines? I have a UART ISR that places a received character into a FIFO buffer and sets a semaphore using isr_sem_send(). void SerialIsr...
  • RTX semaphore / mutex
    Hi all, I am struggling using mutexes/semaphores in RTX, since this RTOS does have the ugly restriction of only one timer per running task. I digged a bit deeper and realized, that most ARM cores...